A Voice Over Internet Protocol (VoIP) device uses its location to narrow down known and unknown potential VoIP third parties meeting the user's criteria, based on their physical proximity to the initial caller and other pre-determined characteristics, to join in a phone conference. A VoIP soft switch...http://www.google.fr/patents/US7626951?utm_source=gb-gplus-shareBrevet US7626951 - Voice Over Internet Protocol (VoIP) location based conferencing
Voice Over Internet Protocol (VoIP) location based conferencing
